So, in about a month i should get eather BOSS GT-10 guitar processor or some pedals ( Dunlop CryBaby, DigiTech Metal Master etc.) Now, I am asking for your opinion about it, because I really don't know what to do. Tnx!

Really, multi-FX are good for figuring out what kind of sound you want. Apart from that, they sound too digital and are too convuluted to use really. I would go to a store and try out the KINDS of pedals you are thinking of. Since you're looking at distortion, try out the distortions. The same with the wah and other FX pedals. I have a Digitech RP500 multiFX, and now that I know basically what I want, I am going to sell it to get a decent pedalboard and amp.

The world doesn't revolve around you. If it does, beware. You're probably about to pass out drunk.

Get individual pedals. Here's why: a processor may have a ton of effects built in, but you may not like the tone of all of them. For example, the chorus and flanger may sound good...but the distortion and phaser sound like crap. With individual pedals, you can pick and choose what effects you like the sound of.

probably a new amp first honestly, neither will sound great with the mg. with the money you could get from selling that and your effects fund, you could easily get a great tube amp. you could even get the peavey vypyr tube which has good built-in effects.

To be fair...I owned a Marshall VS100R and matching cab a few years back and was strapped for cash at one point. I sold the head and picked up a second-hand G100R head (pre-MG series) for about £30.

I used to use my GT-8 into that (into the effects return though, NOT the input) and was able to get some pretty decent sounds out of it.

That being said, you'll still more than likely end up realising how bad an amp it is in a few months and want to upgrade to tube anyway.Generally speaking, individual pedals sound better than multieffects with tube amps, so yea... you work it out.

I have about 700 dollars to spend on it. I'm looking for good wah and distortion pedals for some metal, hard-rock, classic rock etc.

700 bucks? Sell your amp and replace it with a 50w JCM 800 or 900 and 1960 cab, or even cheaper a combo of the same amps. If you buy used you should be able to get that with your proceeds from your MG and still have enough left over for a decent OD and maybe a wah, much more if you go with a JCM 900 or combo.

The way iv see it is you want distortions go for a proper pedal. iv never ever liked a single multifx gain box setting ever. For your mods, delays and reverbs then a processor can be the way forward but only if you get something meaty like a G-Major. This approach give the ability to have distortion and wah pedals up front where they belong and the rest sat firmly in the loop doing what they were meant to do.

Im utterly amazed that you havnt been ravaged by the flames over your current amp setup. Seriously now, sell your current amp and cab and get a real amp. No ammount of FX can hide the MGs dreadfulness and any distortion you get wont work properly as these pedals are designed to push tubes. I just dont want to see you spend all that dosh on a half measure attempt at getting the sound you want. I spent 15 years trying to get a solid state amp to sound right and failed miserably. Iv had 2 generations of pods, multi effects units to the hilts from all the big guns, 3 different solid state amps to run em through and there's one thing i learnt . All I really wanted was 4 EL34s and 4 12AX7s. funny thing is i spent upwards of £2000+ over 15years in drips and drabs to find that if id have just saved £600 I would have been there 10 years ago. I suggest doing things right and raising the cash for a great tube amp that you like and build on that tone with effects. Right im done with e the Sagely wisdom for today.

Really, multi-FX are good for figuring out what kind of sound you want. Apart from that, they sound too digital and are too convuluted to use really. I would go to a store and try out the KINDS of pedals you are thinking of. Since you're looking at distortion, try out the distortions. The same with the wah and other FX pedals. I have a Digitech RP500 multiFX, and now that I know basically what I want, I am going to sell it to get a decent pedalboard and amp.

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I own a Gibson SG StandardAnd I am officialy recognized as an SG commando

I vote pedals, because there's always room for improvement in bits and pieces if you like. As a general rule of thumb, the more effects and stuff jammed into an affordable multi-effects unit means the lesser quality of tone (not always, but in most cases). I have a Zoom G7.1ut, and I'm trading it in for single pedals now. They're great for figuring out what you want (ie. consider I never use flanger, I'm not about to go buy a flanger pedal after not using any of the ones in the pedal [not from the quality of them, but my preferance as a guitarist]).Your call really, but you'll have a much more affordable and better chance at finding what you want in seperate pedals IMO.